CN209783446U - checking fixture for tooth alignment position of spiral teeth of intermediate shaft - Google Patents
checking fixture for tooth alignment position of spiral teeth of intermediate shaft Download PDFInfo
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- CN209783446U CN209783446U CN201822258548.2U CN201822258548U CN209783446U CN 209783446 U CN209783446 U CN 209783446U CN 201822258548 U CN201822258548 U CN 201822258548U CN 209783446 U CN209783446 U CN 209783446U
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Abstract
The utility model relates to an intermediate shaft spiral tooth alignment tooth position degree gauge, including auxiliary measuring device and base, be fixed with the supporting shoe that is used for supporting the intermediate shaft on the base, two supporting shoes are located two axle ends of intermediate shaft respectively, are used for fixing a position the axle end excircle and the terminal surface of intermediate shaft, the side that is located the intermediate shaft on the base still is fixed with the support, install the first bolt that is used for fixing a position first tooth on the intermediate shaft on the support, and be used for fixing a position the second bolt of second tooth on the intermediate shaft; the auxiliary measuring device is fixed on the intermediate shaft, rotates along with the rotation of the intermediate shaft, and is provided with a scribed line marking surface extending along the radial direction of the intermediate shaft. The device can directly detect the position degree on a production site in the processing process, is convenient for controlling the process quality, and can also reduce unnecessary carrying links.
Description
Technical Field
The utility model relates to an examine utensil, in particular to utensil is examined to jackshaft helical tooth to tooth position degree.
Background
The transmission of a new product developed by applicant company adopts a double-spiral tooth intermediate shaft structure as shown in fig. 1 and 2, wherein the parameters of a first tooth are a module m1, a tooth number z1, a pressure angle alpha 1 and a helix angle beta 1 left-hand rotation, the parameters of a second tooth are a module m2, a tooth number z2, a pressure angle alpha 2 and a helix angle beta 2 left-hand rotation, the distance from a first tooth to a reference end surface C is the distance L1 from a section P-P to the reference end surface C, the distance from the second tooth to the reference end surface C is the distance L2 from the section S-S to the reference end surface C, and the central position degree of a steel ball S phi 8 measured by two tooth grooves of the section P-P and the section S-S is required to be less than 0.08 mm.
In the process of machining the double-tooth intermediate shaft, the gear hobbing and gear grinding procedures need to be detected in position degree, when the position degree of the gear hobbing and gear grinding procedures is detected in the original machining method of a company, a product needs to be unloaded from machining equipment and then moved to a comprehensive gear measuring instrument for measurement by using a special program, the position degree can not be directly detected on the site of machining, the measuring process is time-consuming and labor-consuming, and if the measured product is overlarge and overweight, the comprehensive gear measuring instrument equipment is easy to damage.
In order to change the situation, a new special position degree detection tool is urgently needed to be designed, the position degree can be directly detected on a production site, the process quality is convenient to control, and unnecessary carrying links can be reduced.
Disclosure of Invention
the utility model aims at prior art not enough, provide an utensil is examined to jackshaft helical tooth position degree, it can be directly detect the position degree at the production site, and the control process quality of being convenient for also can reduce unnecessary transport link.
The purpose of the utility model is realized like this: the utility model provides an inspection device for the tooth alignment position degree of spiral teeth of an intermediate shaft, which comprises an auxiliary measuring device and a base, wherein a supporting block for supporting the intermediate shaft is fixed on the base, the two supporting blocks are respectively positioned at two shaft ends of the intermediate shaft and used for positioning the shaft end excircle and the end surface of the intermediate shaft, a support is also fixed on the side edge of the intermediate shaft on the base, and a first bolt for positioning a first tooth on the intermediate shaft and a second bolt for positioning a second tooth on the intermediate shaft are installed on the support; the auxiliary measuring device is fixed on the intermediate shaft, rotates along with the rotation of the intermediate shaft, and is provided with a scribed line marking surface extending along the radial direction of the intermediate shaft.
Further, the auxiliary measuring device is detachably fixed on the intermediate shaft; the auxiliary measuring device comprises a measuring shaft sleeve, the measuring shaft sleeve is sleeved on the middle shaft and fixed with the middle shaft through screws, and a reticle marking surface extending along the radial direction is arranged on the circumferential wall of the measuring shaft sleeve and used for marking the position of a radius R2 reticle.
Further, the utility model discloses an utensil is examined to jackshaft helical tooth still includes the amesdial to tooth position degree, the amesdial is fixed on the base, makes radius R2 groove position on the groove mark face of amesdial gauge head contact auxiliary measuring device.
Furthermore, the supporting block is provided with a V-shaped groove, the shaft end of the intermediate shaft is supported in the V-shaped groove of the supporting block, and the end surface of the intermediate shaft is tightly attached to the end surface of the supporting block; the supporting block is fixed on the base through a bolt; the supporting block is positioned on the base through a positioning pin; the supporting block is provided with a fixing hole and a positioning hole, and the base is provided with a fixing hole and a positioning hole which correspond to the fixing hole and the positioning hole in the supporting block.
Furthermore, a first positioning hole extending along the radial direction of the intermediate shaft is arranged on the support, a first bolt seat is fixed in the first positioning hole of the support, the first bolt seat is provided with a shaft hole, the first bolt is arranged in the shaft hole of the first bolt seat, the first bolt is provided with a ladder, the head is big and the tail is small, the big diameter section of the first bolt is in sliding fit with the shaft hole of the first bolt seat, the tail end of the first bolt extends out of the first bolt seat, and the tail end of the first bolt is in threaded fit with the first bolt seat, or the tail end of the first bolt is in threaded fit with a rear cover fixed at the rear end of the first bolt seat, a first spring is sleeved on the small-diameter section of the first bolt, one end of the first spring is contacted with the step end surface of the first bolt, the other end of the first spring is contacted with the hole end surface of the first bolt seat, or the other end of the first spring is contacted with the hole end face of the rear cover fixed at the rear end of the first bolt seat; the first bolt adopts a ball head bolt, and a ball head of the ball head bolt is used for being in two-side contact with a marking tooth groove of the first tooth of the intermediate shaft, so that positioning and pressing are realized.
Furthermore, a first operating handle is fixed at the extending end of the tail end of the first bolt; the first operating handle is in threaded connection with the tail end of the first bolt and is compressed and fixed through a nut.
Furthermore, the rear end of the first bolt seat extends out of a first positioning hole of the support, the outer wall of the rear end of the first bolt seat is provided with threads, and a rear cover is fixed at the rear end of the first bolt seat through the threads; the shaft axis of the shaft hole of the first bolt seat is positioned on the section P-P of the first tooth of the middle shaft, and the shaft axis of the first bolt is positioned on the section P-P of the first tooth of the middle shaft.
Furthermore, a second positioning hole extending along the radial direction of the intermediate shaft is formed in the support, a second bolt seat is fixed in the second positioning hole of the support, the second bolt seat is provided with a shaft hole, the second bolt is installed in the shaft hole of the second bolt seat, the second bolt is provided with a step, the head of the second bolt is large, the tail of the second bolt is small, a large-diameter section of the second bolt is in sliding fit with the shaft hole of the second bolt seat, a second spring is sleeved on a small-diameter section of the second bolt, one end of the second spring is in contact with the step end face of the second bolt, and the other end of the second spring is in contact with the hole end face of the second bolt seat; the second bolt adopts a ball head bolt, and a ball head of the ball head bolt is used for being in contact with two surfaces of a marking tooth groove of a second tooth of the intermediate shaft, so that positioning and pressing are realized; and two sides of the tail end of the second bolt seat are respectively provided with a sliding groove extending along the axial direction, the tail end of the second bolt is provided with a pin shaft, and the pin shaft is positioned in the sliding groove of the second bolt seat.
Furthermore, the sliding groove of the second bolt seat is an open sliding groove; a second bolt seat extends out of the tail end of the second bolt, and a second control handle is fixed at the extending end of the tail end of the second bolt; the second control handle is fixedly connected with a second bolt through a pin shaft; the shaft axis of the shaft hole of the second bolt seat is positioned on the section S-S of the second tooth of the intermediate shaft; the shaft axis of the second bolt is positioned on the section S-S of the second tooth of the intermediate shaft; the rear end of the second bolt seat extends out of a second positioning hole of the support and is fixed with the support through a nut fixed on the outer wall of the rear end through threads.
Further, the support is fixed on the base through a bolt; the support is positioned on the base through a positioning pin; the base is provided with a fixing hole and a positioning hole which correspond to the fixing hole and the positioning hole on the support.
The utility model has the advantages that: because the utility model discloses it can be direct to examine utensil to the tooth position degree at the jackshaft helical tooth of production site detection position degree to have designed a jackshaft, and the control process quality of being convenient for also can reduce unnecessary transport link.
Because the radius of the middle shaft is R2The measuring point on the second tooth flank, but the measuring point is difficult to find on the tooth flank, therefore the utility model designs a measuring shaft sleeve, which is marked with a radius R2Reticle，The shaft sleeve is positioned by the excircle of the middle shaft and fixed by a screw. During measurement, the position of the dial indicator is adjusted to ensure that the measuring head of the dial indicator is in contact with the measuring shaft sleeve and is positioned at the radius R2The position of the reticle.
Because jackshaft both ends excircle diameter equals, the utility model discloses a high V type piece location excircle and terminal surface such as can confirm the central line and the reference end face C of jackshaft.
The utility model discloses a rotatory linear motion bulb bolt location measurement steel ball central point position O1The distance between the center of the bolt and the reference end face C is L1, the distance is equal to the height of the central line of the shaft, the support is fixed on the base, the first bolt seat and the rear cover are fixed in the first positioning hole of the support through threads, the diameter of the ball head bolt is equal to that of the measuring steel ball, the ball head bolt linearly moves along the central line of the bolt when the handle rotates and contacts with the two sides of the first tooth groove, and the central point position O of the measuring steel ball of the first tooth is measured1Positioning of (3).
The utility model discloses a telescopic bulb bolt of spring location measurement steel ball central point position O2The distance L2 between the center of the bolt and the reference C is equal to the axial center line, the support is fixed on the base, the second bolt seat is fixed in the second positioning hole of the support through a nut, the diameter of the ball head of the second bolt is equal to that of the measuring steel ball, the handle is pulled, the cylindrical pin moves along the sliding groove of the bolt seat, the bolt axially displaces under the restoring acting force of the spring, the ball head of the bolt is inserted into the second tooth socket and contacts with the two sides of the second tooth socket, and the position O of the central point of the measuring steel ball of the second tooth is realized2Positioning of (3).
The intermediate shaft position degree gauge has reliable detection data, ingenious structure and low manufacturing cost, and can completely replace a special detection instrument in the aspect of detecting the position degree of the spiral teeth of the intermediate shaft to the teeth; this utensil is examined to jackshaft position degree convenient operation can realize the witnessed inspections, and the process quality control of being convenient for reduces unnecessary transport link, has higher popularization practical value.
The invention will be further explained with reference to the drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic representation of a countershaft configuration of the transmission;
FIG. 2 is a schematic view of section S-S and section P-P of FIG. 1;
Fig. 3 is a schematic diagram of the principle of measuring the position degree.
FIG. 4 is a schematic structural view of the checking fixture for the tooth alignment position of the helical teeth of the intermediate shaft of the present invention;
Fig. 5 is a schematic view of fig. 4 taken along direction a.
Detailed Description
Referring to fig. 4 and 5, the utility model provides an utensil is examined to counter tooth position degree of jackshaft helical tooth, including auxiliary measuring device and base 17, be fixed with the supporting shoe 18 that is used for supporting jackshaft 21 on the base 17, two supporting shoes 18 are located two axle heads of jackshaft respectively, are used for fixing a position the axle head excircle and the terminal surface of jackshaft, the side that is located the jackshaft on the base 17 still is fixed with support 3, install first bolt 15 that is used for fixing a position first tooth 211 on the jackshaft on the support 3, and be used for fixing a position second bolt 2 of second tooth 212 on the jackshaft; the auxiliary measuring device is fixed on the intermediate shaft 21, rotates along with the rotation of the intermediate shaft 21, and is provided with a scribed line marking surface extending along the radial direction of the intermediate shaft 21.
further, the auxiliary measuring device is detachably fixed on the intermediate shaft 21; the auxiliary measuring device comprises a measuring shaft sleeve 19, the measuring shaft sleeve 19 is sleeved on the middle shaft and fixed with the middle shaft through a screw 20, and a reticle marking surface 19a extending along the radial direction is arranged on the circumferential wall of the measuring shaft sleeve 19 and used for marking the reticle position with the radius R2.
Further, the utility model discloses an utensil is examined to jackshaft helical tooth still includes the amesdial to tooth position degree, the amesdial is fixed on the base, makes radius R2 groove position on the groove mark face of amesdial gauge head contact auxiliary measuring device.
Furthermore, the supporting block 18 is provided with a V-shaped groove, the shaft end of the intermediate shaft 21 is supported in the V-shaped groove of the supporting block 18, and the end surface of the intermediate shaft is tightly attached to the end surface of the supporting block 18; the supporting block 18 is fixed on the base through bolts; the supporting block 18 is positioned on the base through a positioning pin; the supporting block 18 is provided with a fixing hole and a positioning hole, and the base is provided with a fixing hole and a positioning hole which correspond to the fixing hole and the positioning hole on the supporting block 18.
furthermore, a first positioning hole extending along the radial direction of the intermediate shaft is arranged on the support 3, a first bolt seat 13 is fixed in the first positioning hole of the support 3, the first bolt seat 13 is provided with a shaft hole, the first bolt 15 is installed in the shaft hole of the first bolt seat 13, the first bolt 15 is provided with a ladder with a large head and a small tail, the large diameter section of the first bolt 15 is in sliding fit with the shaft hole of the first bolt seat 13, the tail end of the first bolt 15 extends out of the first bolt seat 13, the tail end of the first bolt 15 is in threaded fit with the first bolt seat 13, or the tail end of the first bolt 15 is in threaded fit with a rear cover 8 fixed at the rear end of the first bolt seat 13, a first spring 12 is sleeved on the small diameter section of the first bolt 15, one end of the first spring 12 is in contact with the ladder end face of the first bolt 15, and the other end of the first spring 12 is in contact with the hole end face of the first bolt seat 13, or the other end of the first spring 12 is contacted with the hole end surface of the rear cover 8 fixed at the rear end of the first bolt seat 13; the first bolt adopts a ball head bolt, and a ball head of the ball head bolt is used for being in two-side contact with a marking tooth groove of the first tooth 211 of the intermediate shaft, so that positioning and pressing are realized.
Further, a first operating handle 9 is fixed at the extending end of the tail end of the first bolt 15; the first operating handle 9 is in threaded connection with the tail end of the first bolt 15 and is tightly pressed and fixed through a washer 11 and a nut 10.
Furthermore, the rear end of the first pin seat 13 extends out of the first positioning hole of the support 3, the outer wall of the rear end of the first pin seat 13 is provided with threads, and the rear end of the first pin seat 13 is fixed with the rear cover 8 through the threads; the axial line of the shaft hole of the first bolt seat 13 is positioned on the section P-P of the first tooth 211 of the middle shaft, and the axial line of the first bolt is positioned on the section P-P of the first tooth 211 of the middle shaft.
Furthermore, a second positioning hole extending along the radial direction of the intermediate shaft is formed in the support 3, a second bolt seat 1 is fixed in the second positioning hole of the support 3, the second bolt seat 1 is provided with a shaft hole, the second bolt 2 is installed in the shaft hole of the second bolt seat 1, the second bolt 2 is provided with a step, the head of the second bolt is large, the tail of the second bolt is small, a large-diameter section of the second bolt 2 is in sliding fit with the shaft hole of the second bolt seat 1, a small-diameter section of the second bolt 2 is sleeved with a second spring 5, one end of the second spring 5 is in contact with the step end face of the second bolt 2, and the other end of the second spring 5 is in contact with the hole end face of the second bolt seat 1; the second bolt adopts a ball head bolt, and the ball head of the ball head bolt is used for being in contact with two surfaces of a marked tooth groove of the second tooth 212 of the intermediate shaft, so that positioning and pressing are realized; the two sides of the tail end of the second bolt seat 1 are respectively provided with a sliding groove 1a extending along the axial direction, the tail end of the second bolt 2 is provided with a pin shaft 6, and the pin shaft 6 is positioned in the sliding groove 1a of the second bolt seat 1.
Further, the sliding groove of the second bolt seat 1 is an open sliding groove; the tail end of the second bolt 2 extends out of the second bolt seat 1, and a second control handle 7 is fixed at the extending end of the tail end of the second bolt 2; the second operating handle is fixedly connected with the second bolt 2 through a pin shaft; the shaft axis of the shaft hole of the second bolt seat 1 is positioned on the section S-S of the second tooth 212 of the intermediate shaft; the shaft axis of the second bolt 2 is positioned on the section S-S of the second tooth 212 of the middle shaft; the rear end of the second bolt seat 1 extends out of a second positioning hole of the support 3 and is fixed with the support through a nut 4 fixed on the outer wall of the rear end through threads.
further, the support 3 is fixed on the base through a bolt 16; the support 3 is positioned on the base through a positioning pin 14; the support 3 is provided with a fixing hole and a positioning hole, and the base is provided with a fixing hole and a positioning hole which correspond to the fixing hole and the positioning hole on the support 3.
Referring to fig. 3, the principle analysis of measuring the position degree is carried out by adopting a measuring steel ball, and the center O of the steel ball is measured by a second tooth2Measuring the center O of the steel ball with the first tooth1Offset is less than phi 0.08mm, O2' measuring the center O of the steel ball for the second tooth2Offset position, α is the error deflection angle, R1Measuring the center O of the steel ball for the first tooth1radius of (a), R2Measuring the center O of the steel ball for the second tooth2Of (c) is used. Determining the center O of the steel ball by measuring the involute profile of a first tooth section P-P (the distance from the first tooth to the reference end surface C is the distance L1 from the section P-P to the reference end surface C)1The center O of the steel ball is determined by measuring the involute tooth profile in the section S-S of the second tooth (the distance from the second tooth to the reference end face C is the distance L2 from the section S-S to the reference end face C)2Calculating the center point O of the second tooth2Relative to the first tooth center point O1Offset dx = R2And x alpha, the position degree can be judged according to the offset.
Second tooth measuring steel ball center point O2Measuring the center point O of the steel ball relative to the first tooth1The deflection angle is alpha, the O-O deflection angle of the middle shaft around the center of the middle shaft is also equal to alpha, and the radius R of the middle shaft2The deflection of any point is equal, and the radius R of the middle shaft can be measured2Measuring the deflection of any point to measure the center point O of the second tooth2Relative to the first tooth center point O1Is offset.
According to the principle of measuring the position degree, when designing the position degree measuring gauge, the position O of the center point of the steel ball needs to be measured on the center line of the shaft, the reference end surface C and the first tooth respectively1And the second tooth measures the central point position O of the steel ball2positioning is carried out by determining the radius of the middle shaft to be R2The measurement point of (2).
Because the diameters of the outer circles at the two ends of the intermediate shaft are equal, the outer circles and the end faces are positioned by adopting the equal-height V-shaped blocks, and the center line and the reference end face C of the intermediate shaft can be determined.
This embodiment employs rotationLinear motion ball head pin positioning measurement steel ball central point position O1The distance between the bolt center and the reference end face C is L1, the distance is equal to the height of the shaft center line, the support 3 is fixed on the base, the first bolt seat 13 and the rear cover 8 are fixed in a first positioning hole of the support through threads, the diameter of a ball head of the ball head bolt 15 is equal to that of the measuring steel ball, the ball head bolt 15 makes linear motion along the bolt center line when the handle 9 rotates and contacts with two sides of the first tooth groove, and the position O of the center point of the measuring steel ball of the first tooth is realized1Positioning of (3).
In the embodiment, the position O of the central point of the steel ball is measured by adopting the telescopic spring ball head bolt for positioning2The distance L2 between the center of the bolt and the reference C is equal to the axial center line, the support 3 is fixed on the base, the second bolt seat 1 is fixed in the second positioning hole of the support by the nut 4, the diameter of the ball head of the second bolt 2 is equal to that of the measuring steel ball, the handle 7 is pulled (rotated after being pulled out), the cylindrical pin 6 moves along the chute of the bolt seat 1, the bolt 2 axially displaces under the restoring action force of the spring 5, the ball head of the bolt 2 is inserted into the second tooth socket and contacts with the two sides of the second tooth socket, and the position O of the center point of the second tooth measuring steel ball is realized2Positioning of (3).
Because the radius of the middle shaft is R2The measuring point is on the second tooth flank, but it is not easy to find a measuring point on the flank, so that the present embodiment envisages a measuring bush 19, which is marked with a radius R2Reticle，The sleeve is positioned by the outer circle of the middle shaft and fixed by a screw 20. During measurement, the position of the dial indicator is adjusted to enable the measuring head of the dial indicator to contact with the measuring shaft sleeve 19 and be positioned at the radius R2The position of the reticle.
the utility model discloses an use step of utensil is examined to position degree:
1) Positioning the intermediate shaft:
Firstly, the measuring shaft sleeve 19 is sleeved into the middle shaft, then the middle shaft is placed on the V-shaped groove of the supporting block 18, and the end face of the middle shaft is tightly attached to the end face of the left supporting block 18.
2) Positioning the second tooth to measure the position of the central point of the steel ball O2:
The jackshaft is rotated to make second tooth mark tooth's socket aim at bulb bolt 2, pulling handle 7, and cylindric lock 6 moves along the spout of bolt seat 1, and bolt 2 axial displacement under spring 5's reply effort, the bulb of bolt 2 insert in the second tooth's socket with second tooth's socket two-sided contact, realize the location and compress tightly.
3) Adjusting the measurement position of a dial indicator:
Rotating the measuring shaft sleeve 19 to make the marked scribed line surface basically horizontal, fixing the rotating measuring shaft sleeve 19 on the intermediate shaft by the locking screw 20, sucking the dial gauge seat on the base, adjusting the position of the dial gauge, and enabling the measuring head of the dial gauge to contact with the measuring shaft sleeve 19 and be positioned at the radius R2And (5) scribing the line, and locking the dial indicator. When the next measurement is carried out, the dial indicator is not moved, the measurement shaft sleeve 19 only needs to be rotated to be in contact with the indicator needle, and the locking screw 20 enables the rotation measurement shaft sleeve to be fixed on the middle shaft.
4) Positioning the first tooth to measure the central point position O1 of the steel ball:
The handle 9 is rotated clockwise, the ball head bolt 15 moves forwards under the screw thread action of the rear cover 8, contacts with two sides of the first tooth socket and reaches the center O of the first tooth marking tooth socket1The first tooth is positioned.
5) Measuring the position value of the double spiral teeth of the intermediate shaft:
At the location of O1The middle shaft can rotate due to the error of the centers of the two teeth, the bolt 2 moves, the pointer of the dial indicator deflects, and the deflection value of the dial indicator is the deflection value of the second tooth relative to the measuring point of the first tooth.
6) After the measurement is finished, the screw 20 is loosened, the handle 9 is rotated anticlockwise, the ball head bolt 15 is withdrawn from the first tooth, the handle 7 is pulled, the cylindrical pin 6 is pulled out of the positioning groove, the handle 7 is rotated, the bolt 2 is withdrawn from the second tooth groove, the positioning of the bolt on the tooth is released, the intermediate shaft is taken down, the measurement shaft sleeve is taken out, and the detection operation is finished.
The intermediate shaft position degree gauge has reliable detection data, ingenious structure and low manufacturing cost, and can completely replace a special detection instrument in the aspect of detecting the position degree of the spiral teeth of the intermediate shaft to the teeth; this utensil is examined to jackshaft position degree convenient operation examines the utensil and is used for processing the inspection after accomplishing, can realize the witnessed inspections, and the process quality control of being convenient for reduces unnecessary transport link, has higher popularization practical value.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an utensil is examined to jackshaft helical tooth position degree, its characterized in that: the device comprises an auxiliary measuring device and a base (17), wherein a supporting block (18) used for supporting an intermediate shaft (21) is fixed on the base (17), the two supporting blocks (18) are respectively positioned at two shaft ends of the intermediate shaft and used for positioning the excircle and the end face of the shaft end of the intermediate shaft, a support (3) is also fixed on the base (17) and positioned at the side edge of the intermediate shaft, and a first bolt (15) used for positioning a first tooth (211) on the intermediate shaft and a second bolt (2) used for positioning a second tooth (212) on the intermediate shaft are installed on the support (3); the auxiliary measuring device is fixed on the intermediate shaft (21), rotates along with the rotation of the intermediate shaft (21), and is provided with a scribed line marking surface extending along the radial direction of the intermediate shaft (21).
2. The intermediate shaft helical tooth to tooth position degree gauge according to claim 1, wherein: the auxiliary measuring device is detachably fixed on the intermediate shaft (21); the auxiliary measuring device comprises a measuring shaft sleeve (19), the measuring shaft sleeve (19) is sleeved on the middle shaft and fixed with the middle shaft through a screw (20), and a reticle marking surface extending along the radial direction is arranged on the circumferential wall of the measuring shaft sleeve (19) and used for marking the radius R2The position of the reticle.
3. The intermediate shaft helical tooth to tooth position degree gauge according to claim 1 or 2, wherein: the dial indicator is fixed on the base, and a measuring head of the dial indicator is made to contact the position of the radius R2 reticle on the reticle marking surface of the auxiliary measuring device.
4. The intermediate shaft helical tooth to tooth position degree gauge according to claim 1, wherein: the supporting block (18) is provided with a V-shaped groove, the shaft end of the intermediate shaft (21) is supported in the V-shaped groove of the supporting block (18), and the end surface of the intermediate shaft is tightly attached to the end surface of the supporting block (18); the supporting block (18) is fixed on the base through a bolt; the supporting block (18) is positioned on the base through a positioning pin; the supporting block (18) is provided with a fixing hole and a positioning hole, and the base is provided with a fixing hole and a positioning hole which correspond to the fixing hole and the positioning hole on the supporting block (18).
5. the intermediate shaft helical tooth to tooth position degree gauge according to claim 1, wherein: the middle shaft positioning device is characterized in that a first positioning hole extending along the radial direction of the middle shaft is formed in the support (3), a first bolt seat (13) is fixed in the first positioning hole of the support (3), a shaft hole is formed in the first bolt seat (13), a first bolt (15) is installed in the shaft hole of the first bolt seat (13), a ladder is arranged on the first bolt (15), the head of the first bolt is large and the tail of the first bolt is small, a large-diameter section of the first bolt (15) is in sliding fit with the shaft hole of the first bolt seat (13), the tail end of the first bolt (15) extends out of the first bolt seat (13), the tail end of the first bolt (15) is in threaded fit with the first bolt seat (13), or the tail end of the first bolt (15) is in threaded fit with a rear cover (8) fixed to the rear end of the first bolt seat (13), a first spring (12) is sleeved on the small-diameter section of the first bolt (15), one end of the first spring (12) is in contact with the ladder end face of the first bolt (15), the other end of the first spring (12) is in contact with the hole end face of the first bolt seat (13), or the other end of the first spring (12) is in contact with the hole end face of a rear cover (8) fixed at the rear end of the first bolt seat (13); the first bolt adopts a ball head bolt, and a ball head of the ball head bolt is used for being in two-side contact with a marking tooth groove of a first tooth (211) of the intermediate shaft, so that positioning and pressing are realized.
6. The intermediate shaft helical tooth to tooth position degree gauge according to claim 5, wherein: a first operating handle is fixed at the extending end of the tail end of the first bolt (15); the first operating handle is in threaded connection with the tail end of the first bolt (15) and is pressed and fixed through a nut.
7. The intermediate shaft helical tooth to tooth position degree gauge according to claim 5, wherein: the rear end of the first bolt seat (13) extends out of a first positioning hole of the support (3), the outer wall of the rear end of the first bolt seat (13) is provided with threads, and the rear end of the first bolt seat (13) is fixed with a rear cover (8) through the threads; the axial line of the shaft hole of the first bolt seat (13) is positioned on the section P-P of the first tooth (211) of the middle shaft, and the axial line of the first bolt is positioned on the section P-P of the first tooth (211) of the middle shaft.
8. The intermediate shaft helical tooth to tooth position degree gauge according to claim 1, wherein: a second positioning hole extending along the radial direction of the intermediate shaft is formed in the support (3), a second bolt seat (1) is fixed in the second positioning hole of the support (3), a shaft hole is formed in the second bolt seat (1), the second bolt (2) is installed in the shaft hole of the second bolt seat (1), a step is arranged on the second bolt (2), the head of the second bolt is large, the tail of the second bolt is small, a large-diameter section of the second bolt (2) is in sliding fit with the shaft hole of the second bolt seat (1), a small-diameter section of the second bolt (2) is sleeved with a second spring (5), one end of the second spring (5) is in contact with the step end face of the second bolt (2), and the other end of the second spring (5) is in contact with the hole end face of the second bolt seat (1); the second bolt adopts a ball head bolt, and a ball head of the ball head bolt is used for being in contact with two surfaces of a marking tooth groove of a second tooth (212) of the intermediate shaft, so that positioning and pressing are realized; and two sides of the tail end of the second bolt seat (1) are respectively provided with a sliding groove extending along the axial direction, and the tail end of the second bolt (2) is provided with a pin shaft which is positioned in the sliding groove of the second bolt seat (1).
9. The intermediate shaft helical tooth to tooth position gauge according to claim 8, wherein: the sliding groove of the second bolt seat (1) is an open sliding groove; the tail end of the second bolt (2) extends out of the second bolt seat (1), and a second control handle is fixed at the extending end of the tail end of the second bolt (2); the second control handle is fixedly connected with a second bolt (2) through a pin shaft; the shaft axis of the shaft hole of the second bolt seat (1) is positioned on the section S-S of the second tooth (212) of the middle shaft; the shaft axis of the second bolt (2) is positioned on the section S-S of the second tooth (212) of the middle shaft; the rear end of the second bolt seat (1) extends out of a second positioning hole of the support (3) and is fixed with the support through a nut (4) fixed on the outer wall of the rear end through threads.
10. The intermediate shaft helical tooth to tooth position gauge according to claim 8, wherein: the support (3) is fixed on the base through a bolt; the support (3) is positioned on the base through a positioning pin; the support (3) is provided with a fixing hole and a positioning hole, and the base is provided with a fixing hole and a positioning hole which correspond to the fixing hole and the positioning hole on the support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258548.2U CN209783446U (en) | 2018-12-29 | 2018-12-29 | checking fixture for tooth alignment position of spiral teeth of intermediate shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258548.2U CN209783446U (en) | 2018-12-29 | 2018-12-29 | checking fixture for tooth alignment position of spiral teeth of intermediate shaft |
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| CN209783446U true CN209783446U (en) | 2019-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465477A (en) * | 2021-07-06 | 2021-10-01 | 黑龙江农业工程职业学院 | Combined detection tool for detecting end face tooth gradient and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465477A (en) * | 2021-07-06 | 2021-10-01 | 黑龙江农业工程职业学院 | Combined detection tool for detecting end face tooth gradient and detection method |
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